APA-viite

FAO. (1991). World soil resources reports N.71.6: Agro-ecological land resources assessment for agricultural development planning. Rome: FAO.

Chicago-tyylinen lähdeviittaus

FAO. World Soil Resources Reports N.71.6: Agro-ecological Land Resources Assessment for Agricultural Development Planning. Rome: FAO, 1991.

MLA-viite

FAO. World Soil Resources Reports N.71.6: Agro-ecological Land Resources Assessment for Agricultural Development Planning. Rome: FAO, 1991.

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